Shower head



FIG. 1 is a front perspective view of a shower head showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a shower head, substantially as shown and described. 